Method for the treatment of cerebral ischaemia and use of erythropoietin or erythropoietin derivatives for the treatment of cerebral ischaemia

a technology of erythropoietin and cerebral ischaemia, which is applied in the field of method the use of erythropoietin or erythropoietin derivatives for the can solve the problem of no effective treatment of cerebral ischaemia

Inactive Publication Date: 2009-04-07
EHRENREICH HANNELORE +1
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Problems solved by technology

To date there is no effective therapy for cerebral ischaemia, such as for example for the treatment of stroke patients without operating on the head region of the patient.
Because of the knowledge that the blood brain barrier cannot be surmounted by larger proteins, erythropoietin is admini

Method used

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  • Method for the treatment of cerebral ischaemia and use of erythropoietin or erythropoietin derivatives for the treatment of cerebral ischaemia
  • Method for the treatment of cerebral ischaemia and use of erythropoietin or erythropoietin derivatives for the treatment of cerebral ischaemia

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[0026]In FIG. 1A, the average of the serum concentration of four patients with strokes, i.e. whose peripheral concentration of erythropoietin is measured over several days to whom at approximately 8 hours, approximately 24 hours and again approximately 48 hours after the stroke were given respectively a dose of 35,000 IE human recombinant erythropoietin (preparation “Neorecormon” by the Hoffmann LaRoche AG company) intravenously. It can be detected that the serum concentration achieves its maximum within the first few days and then decreases sharply subsequently.

[0027]In FIG. 1B, the concentrations of EPO are represented in six control patients with non-ischaemic neurological illnesses (“neurological disease controls”) after infusion of erythropoietin, in two untreated stroke patients (“stroke controls”) without infusion of erythropoietin and also in four stroke patients (“EPO patients”) after infusion of erythropoietin as in the case of the control patients. There is represented th...

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Abstract

The present invention relates to a method for the treatment of cerebral ischaemia and a drug for the treatment of cerebral ischaemia in particular in humans, as occurs for example in the case of stroke patients. It was found surprisingly that peripheral administering of erythropoietin to the cerebral tissue affected by the ischaemia has a distinctly protective effect. Erythropoietin has the effect thereby that the region of the cerebral tissue which is damaged permanently, in particular in the penumbra, is dramatically reduced relative to conventional measures in the case of cerebral ischaemia without erythropoietin administration.

Description

CROSS REFERENCE TO RELATED PATENT APPLICATIONS[0001]This patent application claims the benefit of PCT Application No. PCT / EP99 / 09864, filed on Dec. 13, 1999, which claims priority to German patent application 198 57 609.9 filed on Dec. 14, 1998.FIELD OF THE INVENTION[0002]The present invention relates to a method for the treatment of cerebral ischaemia and a drug for the treatment of cerebral ischaemia in mammals, in particular in humans, such as occur for example in the case of stroke patients.BACKGROUND OF THE INVENTION[0003]In the case of an ischaemic brain infarction, the damaged regions are divided into the ischaemic core zone and the so-called penumbra which surrounds the core. The size of the ischaemic core plus penumbra determines the extent of the damage after ischaemic insult.[0004]Erythropoietin, also called “EPO” for short, is a glycoprotein which occurs naturally in the body with a molecular weight of 30,000 Dalton (W. Jelkman, “Erythropoietin: Structure, Control of Pro...

Claims

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Application Information

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IPC IPC(8): A61K38/18A61K45/00A61K38/22A61P9/10
CPCA61K38/1816A61P25/00A61P9/00A61P9/10A61K38/22
Inventor EHRENREICH, HANNELOREGLEITER, CHRISTOPH
Owner EHRENREICH HANNELORE
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